Solve 2*t - 5*u = 31, 3*t - 3*u - 21 - 3 = 0 for t.

3

Solve 2*k + 30 = 4*c, 2*c = 2*k + 6*c - 10 for k.

-5

Solve -4*r + 4*b - 45 = -33, -r - 2*b = 3 for r.

-3

Solve -63*z + 7 = -61*z - i, 0 = 4*z - 5*i - 23 for z.

2

Solve 8 = -3*v - 3*z + 20, 0 = 3*v + z - 14 for v.

5

Solve -2*o - 10*i = -8*i + 24, 3*i = 5*o + 20 for o.

-7

Solve 5*p + 21 = 2*n + 2*n, 20 = 5*n for p.

-1

Solve 0*g = 3*g + 2*a + 17, 2 = -g + 3*a for g.

-5

Solve -4*y + 36 = 163*l - 158*l, 0 = 3*y - 12 for l.

4

Solve 0 = 4*d + 4*j + 8, 31 = 4*d - 2*d - 5*j for d.

3